from rest_framework import serializers
from goods.models import SPUSpecification
from goods.models import SPU


class SpecSerserializer(serializers.ModelSerializer):
    # 规格序列化器
    # 指定关联外键返回数据形式
    spu = serializers.StringRelatedField(read_only=True)
    spu_id = serializers.IntegerField()
    class Meta:
        model = SPUSpecification
        fields ='__all__'


class  SPUSerializer(serializers.ModelSerializer):
    #spu序列化器
    class Meta:
        model = SPU
        fields = ('id','name')
